diff options
Diffstat (limited to 'devtools/server/tests/xpcshell/test_objectgrips-nested-promise.js')
-rw-r--r-- | devtools/server/tests/xpcshell/test_objectgrips-nested-promise.js | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/devtools/server/tests/xpcshell/test_objectgrips-nested-promise.js b/devtools/server/tests/xpcshell/test_objectgrips-nested-promise.js new file mode 100644 index 0000000000..5018b57a59 --- /dev/null +++ b/devtools/server/tests/xpcshell/test_objectgrips-nested-promise.js @@ -0,0 +1,57 @@ +/* Any copyright is dedicated to the Public Domain. + http://creativecommons.org/publicdomain/zero/1.0/ */ +/* eslint-disable no-shadow, max-nested-callbacks */ + +"use strict"; + +Services.prefs.setBoolPref("security.allow_eval_with_system_principal", true); +registerCleanupFunction(() => { + Services.prefs.clearUserPref("security.allow_eval_with_system_principal"); +}); + +add_task( + threadFrontTest(async ({ threadFront, debuggee }) => { + const packet = await executeOnNextTickAndWaitForPause( + () => evalCode(debuggee), + threadFront + ); + + const [grip1, grip2] = packet.frame.arguments; + strictEqual(grip1.class, "Promise", "promise1 has a promise grip."); + strictEqual(grip2.class, "Promise", "promise2 has a promise grip."); + + const objClient1 = threadFront.pauseGrip(grip1); + const objClient2 = threadFront.pauseGrip(grip2); + const { promiseState: state1 } = await objClient1.getPromiseState(); + const { promiseState: state2 } = await objClient2.getPromiseState(); + + strictEqual(state1.state, "fulfilled", "promise1 was fulfilled."); + strictEqual(state1.value, objClient2, "promise1 fulfilled with promise2."); + ok(!state1.hasOwnProperty("reason"), "promise1 has no rejection reason."); + + strictEqual(state2.state, "rejected", "promise2 was rejected."); + strictEqual(state2.reason, objClient1, "promise2 rejected with promise1."); + ok(!state2.hasOwnProperty("value"), "promise2 has no resolution value."); + + await threadFront.resume(); + }) +); + +function evalCode(debuggee) { + debuggee.eval( + function stopMe(arg) { + debugger; + }.toString() + ); + + debuggee.eval(` + var resolve; + var promise1 = new Promise(r => {resolve = r}); + Object.setPrototypeOf(promise1, null); + var promise2 = Promise.reject(promise1); + promise2.catch(() => {}); + Object.setPrototypeOf(promise2, null); + resolve(promise2); + stopMe(promise1, promise2); + `); +} |